Kumata mfundo yapamwamba, ntchito yokhutiritsa, takhala tikuyesetsa kukhala mnzanu wa anthrium wa anthrium - iroor zobiriwira zobiriwira - zomera zobiriwira, Xamen,,,. Timalandira bwino anzathu ochokera ku moyo wonse kuti tigwiritse ntchito mgwirizano wolimba ndikupanga zabwino komanso zabwino mawa. Katunduyu adzaperekera padziko lonse lapansi, monga Europe, America, Australia, ku Japan, Yular, ku Egypt. Tikuyang'ana mgwirizano wamabizinesi a nthawi yayitali, ndipo tikuonetsetsa kuti amalonda omwe adzapindule kwambiri mu zazifupi komanso zazitali.